KYB SR4534K Suspension Strut and Coil Spring Assembly - Front

KYB Truck-Plus Leveling Assembly for F-150

The KYB Truck-Plus Leveling Assembly SR4534K is a front suspension strut and coil spring assembly for 2015-2020 Ford F-150 models with the specified spring code and without the Heavy Duty Package. It is built to raise the front ride height by about 2 inches while maintaining the vehicle’s intended handling balance.

Part of KYB’s Truck-Plus Leveling Assembly line, this application-specific assembly is built around corner-specific engineering rather than a one-size-fits-all design. For Ford F-150 owners looking for a front leveling strut assembly, SR4534K provides a direct-fit solution for the listed configurations.

• Raises front ride height approximately 2 inches
• Includes a KYB Excel-G strut
• Uses a stronger steel outer shell
• Features application-specific precision damping valves
• Pre-assembled for professional installation results
• Assembled in the USA
• Engineered to help vehicles with electronic safety systems such as ESC and ABS
• Recipient of a 2021 industry new-product award

Fitment Details

• Fits 2015-2020 Ford F-150, front, leveling kit assembly; w/ spring first digit door code - SPR: N or M, and w/o Heavy Duty Package.
• Fits 2015-2020 Ford F-150, front, leveling kit assembly; w/ spring first digit door code - SPR: N or M, and w/o Heavy Duty Package, 2-3 inch lift.

What This Assembly Helps Address

• Front-end rake on a Ford F-150
• Uneven ride height after suspension wear
• Loss of steering response from a worn front strut assembly
• Ride quality changes caused by aging damping components
• Suspension performance concerns on trucks with ESC or ABS systems

Installation Notes

SR4534K is a pre-assembled front strut and coil spring assembly for the listed Ford F-150 applications. Verify spring code SPR: N or M and confirm the vehicle is not equipped with the Heavy Duty Package before ordering. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Quality Assurance

KYB designs the Truck-Plus Leveling Assembly with corner-specific part numbers to match the vehicle’s intended suspension geometry and performance targets. The SR4534K is assembled in the USA and built as an OE-quality replacement for the front suspension on the specified Ford F-150 models.